1. Omsk Scientific Center SB RAS (Institute of Radiophysics and Physical Electronics), Marksa av. 15, 644024 Omsk, Russia
2. Institute of Physics, Academy of Sciences of the Czech Republic, Na Slovance 2, 18221 Praha 8, Czech Republic
3. Kutateladze Institute of Thermophysics, Siberian Branch of Russian Academy of Science, Lavrent’eva av. 1, Novosibirsk, Russia